<header id="header">
            <!--logo start-->
            <div class="brand">
                <a href="./am" class="logo">
                    <span>Hello</span></a>
            </div>
            <!--logo end-->
            <div class="toggle-navigation toggle-left">
                <button type="button" class="btn btn-default" id="toggle-left" data-toggle="tooltip" data-placement="right" title="切换导航">
                    <i class="fa fa-bars"></i>
                </button>
            </div>
            <div class="user-nav">
                <ul>
                    <li class="dropdown messages">
                        <span class="badge badge-danager animated bounceIn" id="new-messages">1</span>
                        <button type="button" class="btn btn-default dropdown-toggle options" id="toggle-mail" data-toggle="dropdown">
                            <i class="fa fa-envelope"></i>
                        </button>
                        <ul class="dropdown-menu alert animated fadeInDown">
                            <li>
                                <h1>你有
                                    <strong>1</strong>条新信息</h1>
                            </li>
                            <li>
                                <a href="#">
                                    <div class="profile-photo">
                                        <img src="{{asset('admin/img/avatar.gif')}}" alt="" class="img-circle">
                                    </div>
                                    <div class="message-info">
                                        <span class="sender">松涛</span>
                                        <span class="time">30 分钟前</span>
                                        <div class="message-content">%!@%!@^%#^#^@#)(&)(*&#)(!*@$_$_</div>
                                    </div>
                                </a>
                            </li>
                            <li><a href="#">查看所有信息 <i class="fa fa-angle-right"></i></a>
                            </li>
                        </ul>

                    </li>
                    <li class="profile-photo">
                        <img src="{{asset('admin/img/avatar.png')}}" alt="" class="img-circle">
                    </li>
                    <li class="dropdown settings">
                        <a class="dropdown-toggle" data-toggle="dropdown" href="#">
                      大便超人 <i class="fa fa-angle-down"></i>
                    </a>
                        <ul class="dropdown-menu animated fadeInDown">
                            <li>
                                <a href="#"><i class="fa fa-user"></i> 个人资料</a>
                            </li>
                            <li>
                                <a href="#"><i class="fa fa-calendar"></i> 日历</a>
                            </li>
                            <li>
                                <a href="#"><i class="fa fa-envelope"></i> 收件箱 <span class="badge badge-danager" id="user-inbox">5</span></a>
                            </li>
                            <li>
                                <a href="#"><i class="fa fa-power-off"></i> 退出 </a>
                            </li>
                        </ul>
                    </li>
                    <li>
                        <div class="toggle-navigation toggle-right">
                            <button type="button" class="btn btn-default" id="toggle-right">
                                <i class="fa fa-comment"></i>
                            </button>
                        </div>
                    </li>

                </ul>
            </div>
        </header>